I.S. EN 922:1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
PLASTICS PIPING AND DUCTING SYSTEMS - PIPES AND FITTINGS OF UNPLASTICIZED POLY(VINYL CHLORIDE) (PVC-U) - SPECIMEN PREPARATION FOR DETERMINATION OF THE VISCOSITY NUMBER AND CALCULATION OF THE K-VALUE
Hardcopy , PDF
14-09-2011
English
01-01-1995
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents for isolation of the PVC resin
5 Apparatus for isolation of the PVC resin
6 Procedure
7 Calculation of K-value
8 Precision
9 Test report
Annex A (informative) K-values for PVC resin and their
relationship with viscosity number
Specifies a method for determining the viscosity number and K-value of a poly(vinyl chloride) (PVC) resin derived from a pipe, fitting or compound.
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| UNE-EN 922:1995 | Identical |
| SN EN 922 : 1995 | Identical |
| NS EN 922 : 1ED 1995 | Identical |
| BS EN 922:1995 | Identical |
| NEN EN 922 : 1994 | Identical |
| EN 922:1994 | Identical |
| NBN EN 922 : 1995 | Identical |
| NF EN 922 : 1995 | Identical |
| UNI EN 922 : 1995 | Identical |
| DIN EN 922:1995-01 | Identical |
| ISO 174:1974 | Plastics — Homopolymer and copolymer resins of vinyl chloride — Determination of viscosity number in dilute solution |
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